63878042008550 has 288 divisors, whose sum is σ = 151370318721216. Its totient is φ = 19627843276800.

The previous prime is 63878042008531. The next prime is 63878042008567. The reversal of 63878042008550 is 5580024087836.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9129343652 + ... + 9129350648.

Almost surely, 2^{63878042008550} is an apocalyptic number.

63878042008550 is an abundant number, since it is smaller than the sum of its proper divisors (87492276712666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63878042008550 is a wasteful number, since it uses less digits than its factorization.

63878042008550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10064 (or 10048 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 63878042008550 in words is "sixty-three trillion, eight hundred seventy-eight billion, forty-two million, eight thousand, five hundred fifty".